1. Dart
2. dart:core
3. MapEntry<K, V>
4. toString method

MapEntry class

1. Constructors
2. MapEntry
3. Properties
4. key
5. value
6. hashCode
7. runtimeType
8. Methods
9. toString
10. noSuchMethod
11. Operators
12. operator ==

String toString() => "MapEntry($key: $value)";